Read the question, write C on the right, then Run or Check.
QuestionHint and solution stay closed until you open them
Read two integers and print |a − b|.
Input. Two integers.
Output. One non-negative integer.
Examples
Input
10 3
Output
7
Input
3 10
Output
7
Hint
- Use abs from stdlib.h, or branch on a > b.
Show correct code
Peek only after you have tried. You can still Check your own version.
#include <stdio.h>
#include <stdlib.h>
int main(void) {
int a, b;
if (scanf("%d %d", &a, &b) != 2) return 1;
printf("%d\n", abs(a - b));
return 0;
}
main.cC17 · gcc · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.